Earlier Established Forms

Sources

found: Oxford Dictionary of National Biography WWW site, viewed Mar. 23, 2009(In 1916 the novelist Rafael Sabatini became a partner in [Secker's publishing] business, which was known as Martin Secker Ltd from 1917. In 1936 his company was bought for £3100 by Frederic Warburg and Roger Senhouse; the new company took the name Secker and Warburg)